diff --git a/main.tf b/main.tf
index 11031a5..3455297 100644
--- a/main.tf
+++ b/main.tf
@@ -25,7 +25,7 @@ resource "aws_cloudwatch_log_group" "session_manager_log_group" {
 }
 
 resource "aws_ssm_document" "session_manager_prefs" {
-  name            = "SSM-SessionManagerRunShell"
+  name            = "${var.session_manager_document_name}"
   document_type   = "Session"
   document_format = "JSON"
   tags            = var.tags
diff --git a/variables.tf b/variables.tf
index 7098a95..aaa3ae0 100644
--- a/variables.tf
+++ b/variables.tf
@@ -109,3 +109,9 @@ variable "enable_s3_bucket_acl" {
   type        = bool
   default     = false
 }
+
+variable "session_manager_document_name" {
+  description = "Name of the Session Manager Document"
+  type        = string
+  default     = "SSM-SessionManagerRunShell"
+}